555429919820 has 12 divisors (see below), whose sum is σ = 1166402831664. Its totient is φ = 222171967920.

The previous prime is 555429919819. The next prime is 555429919963. The reversal of 555429919820 is 28919924555.

It is a self number, because there is not a number n which added to its sum of digits gives 555429919820.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13885747976 + ... + 13885748015.

It is an arithmetic number, because the mean of its divisors is an integer number (97200235972).

Almost surely, 2^555429919820 is an apocalyptic number.

It is an amenable number.

555429919820 is an abundant number, since it is smaller than the sum of its proper divisors (610972911844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555429919820 is a wasteful number, since it uses less digits than its factorization.

555429919820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27771496000 (or 27771495998 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 59.

The spelling of 555429919820 in words is "five hundred fifty-five billion, four hundred twenty-nine million, nine hundred nineteen thousand, eight hundred twenty".